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From: "Qingqing Zhou" <zhouqq@cs.toronto.edu>
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Subject: Re: Test request for Stats collector performance improvement
Date: Thu, 15 Jun 2006 14:09:43 +0800
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References: <200601021840.k02Ieed21704@candle.pha.pa.us>
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"Bruce Momjian" <pgman@candle.pha.pa.us> wrote
>
> Would some people please run the attached test procedure and report back
> the results?  I basically need to know the patch is an improvement on
> more platforms than just my own.  Thanks
>

Obviously it matches your expectation.

uname: Linux amd64 2.6.9-5.13smp #1 SMP Wed Aug 10 10:55:44 CST 2005 x86_64
x86_64 x86_64 GNU/Linux
compiler: gcc (GCC) 3.4.3 20041212
configure: '--prefix=/home/qqzhou/pginstall'

--Before patch --
real    0m1.149s
user    0m0.182s
sys     0m0.122s

real    0m1.121s
user    0m0.173s
sys     0m0.103s

real    0m1.128s
user    0m0.116s
sys     0m0.092s

-- After patch --

real    0m1.275s
user    0m0.097s
sys     0m0.160s

real    0m4.063s
user    0m0.663s
sys     0m0.377s

real    0m1.259s
user    0m0.073s
sys     0m0.160s